Table X-P
Internal Similitude Centers.
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 10000 points version of 2016.
The "Discoverer" database version: October 2013.
Last update: 2016-05-15

      Kimberling Notation     Role  
  1     X(1) Incenter     Internal Center of Similitude of the Incircle of Triangle ABC and the Incircle of the Inner Yff Triangle  
  2     X(1) Incenter     Internal Center of Similitude of the Incircle of Triangle ABC and the Adams Circle of the Inner Yff Triangle  
  3     X(1) Incenter     Internal Center of Similitude of the Incircle of Triangle ABC and the Conway Circle of the Inner Yff Triangle  
  4     X(1) Incenter     Internal Center of Similitude of the Adams Circle of Triangle ABC and the Incircle of the Inner Yff Triangle  
  5     X(1) Incenter     Internal Center of Similitude of the Adams Circle of Triangle ABC and the Adams Circle of the Inner Yff Triangle  
  6     X(1) Incenter     Internal Center of Similitude of the Adams Circle of Triangle ABC and the Conway Circle of the Inner Yff Triangle  
  7     X(1) Incenter     Internal Center of Similitude of the Conway Circle of Triangle ABC and the Incircle of the Inner Yff Triangle  
  8     X(1) Incenter     Internal Center of Similitude of the Conway Circle of Triangle ABC and the Adams Circle of the Inner Yff Triangle  
  9     X(1) Incenter     Internal Center of Similitude of the Conway Circle of Triangle ABC and the Conway Circle of the Inner Yff Triangle  
  10     X(1) Incenter     Internal Center of Similitude of the Inner Johnson-Yff Circle of Triangle ABC and the Outer Johnson-Yff Circle of the Inner Yff Triangle  
  11     X(1) Incenter     Internal Center of Similitude of the Outer Johnson-Yff Circle of Triangle ABC and the Inner Johnson-Yff Circle of the Inner Yff Triangle  
  12     X(12) Feuerbach Perspector     Internal Center of Similitude of the Nine-Point Circle of Triangle ABC and the Nine-Point Circle of the Inner Yff Triangle  
  13     X(35) Perspector of the Intangents Triangle and the Kosnita Triangle     Internal Center of Similitude of the Circumcircle of Triangle ABC and the Circumcircle of the Inner Yff Triangle  
  14     X(35) Perspector of the Intangents Triangle and the Kosnita Triangle     Internal Center of Similitude of the Second Brocard Circle of Triangle ABC and the Second Brocard Circle of the Inner Yff Triangle  
  15     X(405)     Internal Center of Similitude of the Spieker Circle of Triangle ABC and the Circumcircle of the Inner Yff Triangle  
  16     X(495) Johnson Midpoint     Internal Center of Similitude of the Inner Johnson-Yff Circle of Triangle ABC and the Circumcircle of the Inner Yff Triangle  
  17     X(498)     Internal Center of Similitude of the Circumcircle of Triangle ABC and the Antimedial Circle of the Inner Yff Triangle  
  18     X(498)     Internal Center of Similitude of the Nine-Point Circle of Triangle ABC and the Circumcircle of the Inner Yff Triangle  
  19     X(498)     Internal Center of Similitude of the Spieker Circle of Triangle ABC and the Incircle of the Inner Yff Triangle  
  20     X(1478) Center of the Inner Johnson-Yff Circle     Internal Center of Similitude of the Inner Johnson-Yff Circle of Triangle ABC and the Antimedial Circle of the Inner Yff Triangle  
  21     X(2066)     Internal Center of Similitude of the Cosine Circle of Triangle ABC and the Circumcircle of the Inner Yff Triangle  
  22     X(2330)     Internal Center of Similitude of the Brocard Circle of Triangle ABC and the Brocard Circle of the Inner Yff Triangle  
  23     X(2330)     Internal Center of Similitude of the Lemoine Circle of Triangle ABC and the Lemoine Circle of the Inner Yff Triangle  
  24     X(3085)     Internal Center of Similitude of the Circumcircle of Triangle ABC and the Nine-Point Circle of the Inner Yff Triangle  
  25     X(3085)     Internal Center of Similitude of the Incircle of Triangle ABC and the Spieker Circle of the Inner Yff Triangle  
  26     X(3085)     Internal Center of Similitude of the Antimedial Circle of Triangle ABC and the Circumcircle of the Inner Yff Triangle  
  27     X(3295)     Internal Center of Similitude of the Incircle of Triangle ABC and the Circumcircle of the Inner Yff Triangle  
  28     X(3303)     Internal Center of Similitude of the Outer Johnson-Yff Circle of Triangle ABC and the Nine-Point Circle of the Inner Yff Triangle  
  29     X(3585)     Internal Center of Similitude of the Antimedial Circle of Triangle ABC and the Antimedial Circle of the Inner Yff Triangle  
  30     X(5261)     Internal Center of Similitude of the Antimedial Circle of Triangle ABC and the Nine-Point Circle of the Inner Yff Triangle  
  31     X(8071)     Internal Center of Similitude of the Nine-Point Circle of Triangle ABC and the Outer Johnson-Yff Circle of the Inner Yff Triangle  
  32     X(9596)     Internal Center of Similitude of the Moses Circle of Triangle ABC and the Antimedial Circle of the Inner Yff Triangle